ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,121, issued on Nov. 25, was assigned to Richtek Technology Corp. (Hsinchu, Taiwan).
"Power supply system and power factor correction control circuit and control method thereof" was invented by Wei-Hsu Chang (Hsinchu, Taiwan), Shih-Ho Hsu (New Taipei, Taiwan), Mao-Hui Kuo (New Taipei, Taiwan) and Ta-Yung Yang (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power factor correction control circuit for correcting a power factor of a rectified power to generate an output power supplied to a load, includes: a reference voltage generator circuit generating a reference voltage according to a rectified voltage of the rectified power; and a ...